{"id":"https://openalex.org/W3108457241","doi":"https://doi.org/10.1080/21681163.2020.1835561","title":"HAPNet: hierarchically aggregated pyramid network for real-time stereo matching","display_name":"HAPNet: hierarchically aggregated pyramid network for real-time stereo matching","publication_year":2020,"publication_date":"2020-11-26","ids":{"openalex":"https://openalex.org/W3108457241","doi":"https://doi.org/10.1080/21681163.2020.1835561","mag":"3108457241"},"language":"en","primary_location":{"id":"doi:10.1080/21681163.2020.1835561","is_oa":false,"landing_page_url":"https://doi.org/10.1080/21681163.2020.1835561","pdf_url":null,"source":{"id":"https://openalex.org/S2764763012","display_name":"Computer Methods in Biomechanics and Biomedical Engineering Imaging & Visualization","issn_l":"2168-1163","issn":["2168-1163","2168-1171"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://discovery.ucl.ac.uk/10122492/1/Computer%20Methods%20in%20Biomechanics%20and%20Biomedical%20Engineering%20Imaging%20and%20Visualization_2020_accepted.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051955250","display_name":"Patrick Brand\u00e3o","orcid":"https://orcid.org/0000-0002-1301-2700"},"institutions":[{"id":"https://openalex.org/I4210122016","display_name":"Wellcome / EPSRC Centre for Interventional and Surgical Sciences","ror":"https://ror.org/03r42r570","country_code":"GB","type":"facility","lineage":["https://openalex.org/I124357947","https://openalex.org/I1299528221","https://openalex.org/I4210087105","https://openalex.org/I4210122016","https://openalex.org/I45129253","https://openalex.org/I87048295"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Patrick Brandao","raw_affiliation_strings":["Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University Collge London, London, UK"],"raw_orcid":"https://orcid.org/0000-0002-1301-2700","affiliations":[{"raw_affiliation_string":"Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University Collge London, London, UK","institution_ids":["https://openalex.org/I4210122016"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061110830","display_name":"Dimitrios Psychogyios","orcid":"https://orcid.org/0000-0002-3377-530X"},"institutions":[{"id":"https://openalex.org/I4210122016","display_name":"Wellcome / EPSRC Centre for Interventional and Surgical Sciences","ror":"https://ror.org/03r42r570","country_code":"GB","type":"facility","lineage":["https://openalex.org/I124357947","https://openalex.org/I1299528221","https://openalex.org/I4210087105","https://openalex.org/I4210122016","https://openalex.org/I45129253","https://openalex.org/I87048295"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Dimitris Psychogyios","raw_affiliation_strings":["Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University Collge London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University Collge London, London, UK","institution_ids":["https://openalex.org/I4210122016"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048400975","display_name":"Evangelos B. Mazomenos","orcid":"https://orcid.org/0000-0003-0357-5996"},"institutions":[{"id":"https://openalex.org/I4210122016","display_name":"Wellcome / EPSRC Centre for Interventional and Surgical Sciences","ror":"https://ror.org/03r42r570","country_code":"GB","type":"facility","lineage":["https://openalex.org/I124357947","https://openalex.org/I1299528221","https://openalex.org/I4210087105","https://openalex.org/I4210122016","https://openalex.org/I45129253","https://openalex.org/I87048295"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Evangelos Mazomenos","raw_affiliation_strings":["Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University Collge London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University Collge London, London, UK","institution_ids":["https://openalex.org/I4210122016"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077630267","display_name":"Danail Stoyanov","orcid":"https://orcid.org/0000-0002-0980-3227"},"institutions":[{"id":"https://openalex.org/I4210122016","display_name":"Wellcome / EPSRC Centre for Interventional and Surgical Sciences","ror":"https://ror.org/03r42r570","country_code":"GB","type":"facility","lineage":["https://openalex.org/I124357947","https://openalex.org/I1299528221","https://openalex.org/I4210087105","https://openalex.org/I4210122016","https://openalex.org/I45129253","https://openalex.org/I87048295"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Danail Stoyanov","raw_affiliation_strings":["Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University Collge London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University Collge London, London, UK","institution_ids":["https://openalex.org/I4210122016"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112387724","display_name":"Mirek Janatka","orcid":null},"institutions":[{"id":"https://openalex.org/I4210122016","display_name":"Wellcome / EPSRC Centre for Interventional and Surgical Sciences","ror":"https://ror.org/03r42r570","country_code":"GB","type":"facility","lineage":["https://openalex.org/I124357947","https://openalex.org/I1299528221","https://openalex.org/I4210087105","https://openalex.org/I4210122016","https://openalex.org/I45129253","https://openalex.org/I87048295"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mirek Janatka","raw_affiliation_strings":["Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University Collge London, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University Collge London, London, UK","institution_ids":["https://openalex.org/I4210122016"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5051955250"],"corresponding_institution_ids":["https://openalex.org/I4210122016"],"apc_list":null,"apc_paid":null,"fwci":0.8831,"has_fulltext":true,"cited_by_count":17,"citation_normalized_percentile":{"value":0.77173553,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"9","issue":"3","first_page":"219","last_page":"224"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pyramid","display_name":"Pyramid (geometry)","score":0.8471925258636475},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.6560779213905334},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.616602897644043},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.607634961605072},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5907215476036072},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3345497250556946},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3332389295101166},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15831202268600464},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.07319924235343933},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.04708114266395569}],"concepts":[{"id":"https://openalex.org/C142575187","wikidata":"https://www.wikidata.org/wiki/Q3358290","display_name":"Pyramid (geometry)","level":2,"score":0.8471925258636475},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.6560779213905334},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.616602897644043},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.607634961605072},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5907215476036072},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3345497250556946},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3332389295101166},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15831202268600464},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.07319924235343933},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.04708114266395569}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1080/21681163.2020.1835561","is_oa":false,"landing_page_url":"https://doi.org/10.1080/21681163.2020.1835561","pdf_url":null,"source":{"id":"https://openalex.org/S2764763012","display_name":"Computer Methods in Biomechanics and Biomedical Engineering Imaging & Visualization","issn_l":"2168-1163","issn":["2168-1163","2168-1171"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization","raw_type":"journal-article"},{"id":"pmh:oai:eprints.ucl.ac.uk.OAI2:10122492","is_oa":true,"landing_page_url":"https://discovery.ucl.ac.uk/id/eprint/10122492/","pdf_url":"https://discovery.ucl.ac.uk/10122492/1/Computer%20Methods%20in%20Biomechanics%20and%20Biomedical%20Engineering%20Imaging%20and%20Visualization_2020_accepted.pdf","source":{"id":"https://openalex.org/S4306400024","display_name":"UCL Discovery (University College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45129253","host_organization_name":"University College London","host_organization_lineage":["https://openalex.org/I45129253"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"   Computer Methods in Biomechanics and Biomedical Engineering: Imaging and Visualization , 9  (3)   pp. 219-224.   (2021)      ","raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:eprints.ucl.ac.uk.OAI2:10122492","is_oa":true,"landing_page_url":"https://discovery.ucl.ac.uk/id/eprint/10122492/","pdf_url":"https://discovery.ucl.ac.uk/10122492/1/Computer%20Methods%20in%20Biomechanics%20and%20Biomedical%20Engineering%20Imaging%20and%20Visualization_2020_accepted.pdf","source":{"id":"https://openalex.org/S4306400024","display_name":"UCL Discovery (University College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45129253","host_organization_name":"University College London","host_organization_lineage":["https://openalex.org/I45129253"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"   Computer Methods in Biomechanics and Biomedical Engineering: Imaging and Visualization , 9  (3)   pp. 219-224.   (2021)      ","raw_type":"Article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1737217355","display_name":null,"funder_award_id":"EP/P012841/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G2589116278","display_name":null,"funder_award_id":"EP/P030084/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G2810537366","display_name":null,"funder_award_id":"EP/M020533/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G575217820","display_name":null,"funder_award_id":"EP/N013220/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G6923427940","display_name":null,"funder_award_id":"EP/R004080/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3108457241.pdf","grobid_xml":"https://content.openalex.org/works/W3108457241.grobid-xml"},"referenced_works_count":15,"referenced_works":["https://openalex.org/W1522301498","https://openalex.org/W1590518343","https://openalex.org/W1921093919","https://openalex.org/W1991617202","https://openalex.org/W2259424905","https://openalex.org/W2939157633","https://openalex.org/W2962816904","https://openalex.org/W2963231581","https://openalex.org/W2963726609","https://openalex.org/W2963872790","https://openalex.org/W2967185966","https://openalex.org/W2967498193","https://openalex.org/W2979838943","https://openalex.org/W2982809261","https://openalex.org/W3100388886"],"related_works":["https://openalex.org/W2391245565","https://openalex.org/W1968935646","https://openalex.org/W2077406767","https://openalex.org/W1995188412","https://openalex.org/W2128391139","https://openalex.org/W2745941246","https://openalex.org/W3127217315","https://openalex.org/W1966244124","https://openalex.org/W2577364290","https://openalex.org/W2945757785"],"abstract_inverted_index":{"Recovering":[0],"the":[1,5,46,59,77,108],"3D":[2,21],"shape":[3],"of":[4,49,53,58,64],"surgical":[6,94,122],"site":[7],"is":[8,26,56],"crucial":[9],"for":[10,79],"multiple":[11,91],"computer-assisted":[12],"interventions.":[13],"Stereo":[14],"endoscopes":[15],"can":[16],"be":[17],"used":[18],"to":[19,107,117],"compute":[20],"depth":[22],"but":[23],"computational":[24,118],"stereo":[25,65,119],"a":[27,40,50,113],"challenging,":[28],"non-convex":[29],"and":[30,75,101],"inherently":[31],"discontinuous":[32],"optimisation":[33],"problem.":[34],"In":[35],"this":[36],"paper,":[37],"we":[38],"propose":[39],"deep":[41],"learning":[42],"architecture":[43],"which":[44,55],"avoids":[45,76],"explicit":[47],"construction":[48],"cost":[51],"volume":[52],"similarity":[54],"one":[57],"most":[60],"computationally":[61],"costly":[62],"blocks":[63],"algorithms.":[66],"This":[67],"makes":[68],"training":[69],"our":[70],"network":[71],"significantly":[72],"more":[73],"efficient":[74],"needs":[78],"large":[80],"memory":[81],"allocation.":[82],"Our":[83],"method":[84,104],"performs":[85],"well,":[86],"especially":[87],"around":[88,93,97],"regions":[89],"comprising":[90],"discontinuities":[92],"instrumentation":[95],"or":[96],"complex":[98],"small":[99],"structures":[100],"instruments.":[102],"The":[103],"compares":[105],"well":[106],"state-of-the-art":[109],"techniques":[110],"while":[111],"taking":[112],"different":[114],"methodological":[115],"angle":[116],"problem":[120],"in":[121],"video.":[123]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}